condition mean min max 4 h after light 200.7615 190.128 211.395 8 h after light 99.8253 98.4486 101.202 12 h after light 121.53 119.791 123.269 4 h after dark 126.3105 115.263 137.358 8 h after dark 145.9015 135.425 156.378 12 h after dark 169.79250000000002 166.12 173.465